﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
using SmartSpace.Silverlight;
using System.ServiceModel;
using SmartSpace.Silverlight.Shell.ServiceRef;

namespace SmartSpace.Silverlight.Shell
{
    public partial class App : SlApp
    {
        private static Uri s_hostUrl;

        /// <summary>
        /// silverlight 所在的网站地址
        /// </summary>
        public static Uri HostUrl
        {
            get
            {
                if (null == s_hostUrl)
                {
                    s_hostUrl = new Uri(App.Current.Host.Source, "../");
                }
                return s_hostUrl;
            }
        }

        public App()
        {
            this.Startup += this.Application_Startup;
            this.Exit += this.Application_Exit;
            this.UnhandledException += this.Application_UnhandledException;

            InitializeComponent();
        }

        private void Application_Startup(object sender, StartupEventArgs e)
        {
            this.RootVisual = RootPage.Instance;
        }

        private void Application_Exit(object sender, EventArgs e)
        {
            //推出程序时候清空Cookie
            SlWebServiceSoapClient service = App.CreateSlWebServiceProxy();
            service.SignOutCompleted += new EventHandler<SignOutCompletedEventArgs>(OnSignOutCompleted);
            service.SignOutAsync();
        }

        void OnSignOutCompleted(object sender, SignOutCompletedEventArgs e)
        {
        }

        private void Application_UnhandledException(object sender, ApplicationUnhandledExceptionEventArgs e)
        {
            // If the app is running outside of the debugger then report the exception using
            // the browser's exception mechanism. On IE this will display it a yellow alert 
            // icon in the status bar and Firefox will display a script error.
            if (!System.Diagnostics.Debugger.IsAttached)
            {

                // NOTE: This will allow the application to continue running after an exception has been thrown
                // but not handled. 
                // For production applications this error handling should be replaced with something that will 
                // report the error to the website and stop the application.
                e.Handled = true;
                Deployment.Current.Dispatcher.BeginInvoke(delegate { ReportErrorToDOM(e); });
            }
        }

        private void ReportErrorToDOM(ApplicationUnhandledExceptionEventArgs e)
        {
            try
            {
                string errorMsg = e.ExceptionObject.Message + e.ExceptionObject.StackTrace;
                errorMsg = errorMsg.Replace('"', '\'').Replace("\r\n", @"\n");

                System.Windows.Browser.HtmlPage.Window.Eval("throw new Error(\"Unhandled Error in Silverlight Application " + errorMsg + "\");");
            }
            catch (Exception)
            {
            }
        }

        public static SlWebServiceSoapClient CreateSlWebServiceProxy()
        {
            System.ServiceModel.Channels.Binding binding = new System.ServiceModel.BasicHttpBinding();

            SlWebServiceSoapClient client = new SlWebServiceSoapClient(binding, new EndpointAddress((App.Current as SlApp).Params.AppUrl + "Services/SlWebService.asmx"));
            return client;
        }
    }
}
